diff --git a/nix/nixos-module/firewall.nix b/nix/nixos-module/firewall.nix
index 31369f8..4d6b27e 100644
--- a/nix/nixos-module/firewall.nix
+++ b/nix/nixos-module/firewall.nix
@@ -5,7 +5,7 @@ lib.mkIf config.site.hosts.${hostName}.firewall.enable {
     enable = true;
     extraCommands = ''
       ip46tables -A FORWARD -i core -m state --state ESTABLISHED,RELATED -j ACCEPT
-      ip46tables -A FORWARD -i core -j REJECT --reject-with net-unreach
+      ip46tables -A FORWARD -i core -j REJECT
     '';
     extraStopCommands = ''
       ip46tables -F FORWARD